body {
  height: 100%;
}
.tw-libmobilesidenavs {
  height: 100%;
  display: flex;
}
.tw-libmobilesidenav-left {
  background-color: #ccc;
  height: 100%;
}
.tw-libmobilesidenav-right {
  height: 100%;
  width: 100%;
  position: relative;
  margin: 0 auto;
  padding: 20px;
}